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🏥 | Is "whitening" that whitens teeth harmless to the body and teeth?The number of applicants for middle-aged and older men is increasing


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Is "whitening" that whitens teeth harmless to the body and teeth?The number of applicants for middle-aged and older men is increasing

 
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Coloring substances are organic substances with a high molecular structure. The higher the molecular weight, the darker the color, and the lower the molecular weight, the lighter the color.
 

In recent years, interest in oral care has increased due to heightened health consciousness, and "whitening" that whitens teeth is drawing attention. → Continue reading

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Coloring substance


 

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